Grishina Olga
From Moscow, Russia
EMA: 15990379
Common russian riichi rating (CRR)
Rating date Nov. 22, 2022 (latest changes Nov. 22, 2022).
17 place (582.75).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
p1 = (701.49 * 3.50 * 1 + 200 * 4.20 * 1 + 936.94 * 4.05 * 1 + 106.38 * 3.10 * 1 + 706.67 * 3.45 * 1) / (3.50 * 1 + 4.20 * 1 + 4.05 * 1 + 3.10 * 1 + 3.45 * 1) = 538.6666666666665
p2 = (936.94 * 4.05 * 1 + 701.49 * 3.50 * 1 + 706.67 * 3.45 * 1 + 200 * 4.20 * 1) / max_coefficients = 626.8296052631579
score = 538.6666666666665 * 0.5 + 626.8296052631579 * 0.5 = 582.7481359649122
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 12 -> 17 | 613.90 -> 582.75 |
IX Russian Riichi Championship: 0% -> 100% |
2022-11-05 | 90 -> 12 | 284.81 -> 613.90 | |
2021-02-01 | 142 -> 90 | 323.12 -> 284.81 | |
2020-02-01 | 142 | 323.12 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 200 |
|
61/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 937 |
|
8/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
3 | 701 |
|
21/68 | 100% | 3.50 | RR | Tenpai can't buy happiness |
4 | 106 |
|
43/48 | 100% | 3.10 | RR | Agari team tournament |
5 | 707 |
|
23/76 | 100% | 3.45 | RR | Saint Petersburg Open 2021 |
6 | 323 |
|
22/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
7 | 477 |
|
59/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
8 | 371 |
|
23/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
9 | 254 |
|
48/64 | 0% | 3.45 | EMA | White Dragon Tournament |